Messages in this thread | | | Date | Tue, 02 Nov 2010 17:30:16 +0800 | From | Xiao Guangrong <> | Subject | Re: [RFC PATCH v2 7/7] KVM: KVM: don't break vcpu 'halt' state due to apfs |
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On 11/02/2010 05:14 PM, Gleb Natapov wrote:
> If irqchip is in userspace apf is disabled (see mmu.c:can_do_async_pf()). > The reason for this is that when irqchip_in_kernel(v->kvm) cpu sleeps in > userspace during halt, so all event that can cause it to be unhalted > should be generated in userspace too. This is also the reason you can't have > pit in kernel and irqchip in userpsace. >
Oh, thank you very much for answering so many questions, and your patch is looks good for me! ;-)
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